performance-test/downLoadServer/src/server/utils/chartsCom/WindRoseChart.js

import { renderChart } from "../chartService/index.js"; // 用你的统一渲染服务
import { colorSchemes } from "../colors.js";

export const getWindRoseChart = async (
  data,
  bucketName,
  objectName,
  analysisTypeCode,
) => {
  try {
    const windRoseList = data.data;

    // ===== 数据处理 =====
    const windDirections = Array.from({ length: 16 }, (_, i) => i * 22.5);

    const windSpeedRanges = new Set();
    const counts = {};

    windRoseList.forEach((engine) => {
      engine.windRoseData.forEach((item) => {
        windSpeedRanges.add(item.windSpeedRange);
      });
    });

    const speedLabels = Array.from(windSpeedRanges).sort();

    const colors = colorSchemes[0].colors;
    const colorscale = {};

    speedLabels.forEach((label, index) => {
      colorscale[label] = colors[(index % colors.length) + 4];
      counts[label] = Array(windDirections.length).fill(0);
    });

    // ===== 数据聚合 =====
    windRoseList.forEach((engine) => {
      engine.windRoseData.forEach((item) => {
        const { windDirection, windSpeedRange } = item;

        const index = windDirections.findIndex(
          (dir, i) =>
            windDirection >= dir &&
            windDirection < (windDirections[i + 1] ?? 360),
        );

        if (index !== -1) {
          counts[windSpeedRange][index] += item.frequency;
        }
      });
    });

    // ===== traces =====
    const traces = speedLabels.map((speedLabel) => ({
      r: counts[speedLabel],
      theta: windDirections,
      name: speedLabel,
      type: "barpolar",
      marker: {
        color: colorscale[speedLabel],
        line: {
          color: "white",
          width: 1,
        },
      },
      hovertemplate: "频率: %{r}<br>风向: %{theta}<extra></extra>",
    }));

    // ===== layout =====
    const layout = {
      title: {
        text: `风向玫瑰图 - ${windRoseList[0]?.enginName || ""}`,
        font: { size: 16 },
      },
      plot_bgcolor: "#e5ecf6",
      polar: {
        bgcolor: "#e5ecf6",
        radialaxis: {
          title: {
            text: data?.axes?.radial || "频率百分比(%)",
          },
          gridcolor: "#fff",
        },
        angularaxis: {
          title: { text: "风向" },
          tickvals: windDirections,
          ticktext: windDirections,
        },
      },
      showlegend: true,
      legend: {
        title: { text: "风速范围" },
      },
    };

    // ===== 统一渲染（核心！）=====
    return await renderChart({
      traces,
      layout,
      bucketName,
      objectName,
    });
  } catch (error) {
    console.error("风玫瑰图生成失败:", error);
    throw error;
  }
};